Mark Williams

Acting · Born 1959-08-22 · Bromsgrove, Worcestershire, England, UK

Biography

Mark Williams (born August 22, 1959) is an English actor, comedian, presenter and screenwriter. He first achieved widespread recognition as one of the central performers in the popular BBC sketch show The Fast Show. His film roles include Horace in the 1996 adaptation of 101 Dalmatians and Arthur Weasley in seven of the Harry Potter films. He made recurring appearances as Brian Williams in the BBC television series Doctor Who and as Olaf Petersen in Red Dwarf. Since 2013, Williams has portrayed the title character in the long-running BBC series loosely based on the Father Brown short stories by G. K. Chesterton.

Known for

• Dream Hacker (2025)
• The Secret Santa Project (2025)
• Robin and the Hoods (2024)
• The Effects of Lying (2023)
• Surprised by Oxford (2023)
• Harry Potter 20th Anniversary: Return to Hogwarts (2022)
• Super Villans (2022)
• The Fast Show: More Blooming Catchphrases (2020)
• Heidi: Queen of the Mountain (2017)
• Harry Potter: A History Of Magic (2017)
• Red Top (2016)
• Golden Years (2016)
• The Look of Love (2013)
• Harry Potter and the Deathly Hallows: Part 2 (2011)
• Frankenstein's Wedding... Live in Leeds (2011)
• When Harry Left Hogwarts (2011)
• Albert Nobbs (2011)
• 50 Greatest Harry Potter Moments (2011)
• Harry Potter and the Deathly Hallows: Part 1 (2010)
• Harry Potter and the Half-Blood Prince (2009)
• Steve Coogan: The Inside Story (2009)
• Harry Potter and the Order of the Phoenix (2007)
• Stardust (2007)
• A Room with a View (2007)